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Titolo:
THE ATMOSPHERIC MOMENTUM BUDGET OVER A MAJOR MOUNTAIN-RANGE - 1ST RESULTS OF THE PYREX FIELD PROGRAM
Autore:
BOUGEAULT P; JANSA A; ATTIE JL; BEAU I; BENECH B; BENOIT R; BESSEMOULIN P; CACCIA JL; CAMPINS J; CARISSIMO B; CHAMPEAUX JL; CROCHET M; DRUILHET A; DURAND P; ELKHALFI A; FLAMANT P; GENOVES A; GEORGELIN M; HOINKA KP; KLAUS V; KOFFI E; KOTRONI V; MAZAUDIER C; PELON J; PETITDIDIER M; POINTIN Y; PUECH D; RICHARD E; SATOMURA T; STEIN J; TANNHAUSER D;
Indirizzi:
METEO FRANCE,CTR NATL RECH METEROL F-31057 TOULOUSE FRANCE INST NACL METEOROL E-07015 PALMA DE MALLORCA SPAIN UNIV TOULOUSE 3,AEROL LAB F-31062 TOULOUSE FRANCE ELECT FRANCE,DIRECT ETUDES & RECH F-78401 CHATOU FRANCE UNIV PARIS 06,SERV AERON,CNRS F-75252 PARIS FRANCE UNIV CLERMONT FERRAND,METEOROL PHYS LAB F-63000 CLERMONT FERRAND FRANCE ENVIRONNEMENT CANADA,RECH PREVIS NUMER DORVAL H9P 1J3 PQ CANADA DEUTSCH FORSCH ANSTALT LUFT & RAUMFAHRT W-8031 OBERPFAFFENHOFEN GERMANY CTR RECH PHYS ENVIRONN F-94107 ST MAUR FOSSES FRANCE METEROL RES INST TSUKUBA IBARAKI 305 JAPAN TECHNION ISRAEL INST TECHNOL,DEPT PHYS IL-32000 HAIFA ISRAEL UNIV TOULON & VAR,SONDAGES ELECTROMAGNET ENVIRONNEMENT TERRESTRE LAB F-83957 LA GARDE FRANCE CNRS,METEROL DYNAM LAB F-91128 PALAISEAU FRANCE
Titolo Testata:
Annales geophysicae
fascicolo: 5, volume: 11, anno: 1993,
pagine: 395 - 418
SICI:
0992-7689(1993)11:5<395:TAMBOA>2.0.ZU;2-1
Fonte:
ISI
Lingua:
ENG
Soggetto:
PRESSURE DRAG; WAVE DRAG; MODELS; FLOW; SIMULATIONS; OROGRAPHY; FLUXES; ALPEX;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
52
Recensione:
Indirizzi per estratti:
Citazione:
P. Bougeault et al., "THE ATMOSPHERIC MOMENTUM BUDGET OVER A MAJOR MOUNTAIN-RANGE - 1ST RESULTS OF THE PYREX FIELD PROGRAM", Annales geophysicae, 11(5), 1993, pp. 395-418

Abstract

The PYREX program is a major field study of the dynamical influence of the Pyrenees mountains (on the border between France and Spain) on the atmospheric circulation. In October and November 1990 a large number of experimental means had been deployed in the area, including additional sounding systems, automated stations at high elevation sites, wind profilers, sodars, constant level balloons, and four research airplanes. The main focus was on the quantification of the retardation of the cross-mountain flow by the range, but a number of related mesoscalephenomena had been captured, e.g. the formation of lee waves, lee eddies, sheltering area's, and local surface winds. The data interpretation was supported by an extensive effort in meso-scale numerical modelling, and it is argued that only numerical models, conveniently qualified by observations, can document the momentum budget in a consistent way. Improvements in the field of mountain waves and mountain roughnessrepresentation in the large-scale atmospheric models are expected from the PYREX results, as well as improvements in the performance of mesoscale models for the operational forecasts. The present paper presents a broad introduction to the experiment. It reviews the experimental set-up and the available data sets. Finally, two more specific topics are discussed in depth, as examples of the available data and modelling strategy: the lee wave event of 15 October 1990 is presented with both experimental and model results. Some of the findings concerning theTramontana wind are also discussed.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 05/04/20 alle ore 22:03:27